Match 'n Dispatch
Match python args and dispatch based on their contents.
Install
$ pip install mnd
Getting started
Create a dispatcher
from mnd.dispatch import Dispatcher, handle
>>> d = Dispatcher()Add a handler with the handy decorator
>>> @handler(d, msg="hello")
>>> def say(msg=None):
... print "got message: ", msgTry dispatching some events
>>> d.dispatch(msg="gets filtered out...")
>>> d.dispatch(msg="hello")
got message: helloFilter using 'in'
>>> @handler(d, msg__in=["hello", "hi"])
>>> def greeting(msg=None):
... print "greetings"
>>> d.dispatch(msg="hello")
greetings
>>> d.dispatch(msg="hi")
greetingsAs well as __in, operations lt, le, eq, ne, ge, gt are supported
Filter by attribute
from collections import namedtuple
Worm=namedtuple("Worm", "segments")
worm1=Worm(4)
worm2=Worm(100)
>>> @handler(d, dict(segments__gt=50))
>>> def long_worm(w):
... print("long worm with %s segment.s" % segments)
>>> d.dispatch(worm1)
>>> d.dispatch(worm2)
long worm with 100 segments.Unit Test
$ python setup.py test
